New York Harbor.

Nantucket Sound, Vineyard Sound, Buzzards Bay, Narragansett Bay, Block Island Sound, and Easterly entrance to Long Island Sound.Philadelphia Harbor and Delaware Bay.

A line drawn from Rockaway Point Coast Guard Station 159½° (S. by E.), 6¼ miles, to Ambrose Channel Light Vessel; thence 238½° (WSW. ⅛ W.), 8¼ miles, to Navesink (southerly) Lighthouse.